From 291d69d7fd618d11fdcae010af319094cdf4d973 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Tue, 31 Jul 2007 14:05:03 +0100 Subject: Added support for draft version of the AoE Boot Firmware Table. --- src/core/abft.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 src/core/abft.c (limited to 'src/core') diff --git a/src/core/abft.c b/src/core/abft.c new file mode 100644 index 000000000..af28bbcfb --- /dev/null +++ b/src/core/abft.c @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2007 Michael Brown . + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include + +/** @file + * + * AoE Boot Firmware Table + * + */ + +#define abftab __use_data16 ( abftab ) +/** The aBFT used by gPXE */ +struct abft_table __data16 ( abftab ) __attribute__ (( aligned ( 16 ) )) = { + /* ACPI header */ + .acpi = { + .signature = ABFT_SIG, + .length = sizeof ( abftab ), + .revision = 1, + .oem_id = "FENSYS", + .oem_table_id = "gPXE", + }, +}; + +/** + * Fill in all variable portions of aBFT + * + * @v aoe AoE session + */ +void abft_fill_data ( struct aoe_session *aoe ) { + + /* Fill in boot parameters */ + abftab.shelf = aoe->major; + abftab.slot = aoe->minor; + memcpy ( abftab.mac, aoe->netdev->ll_addr, sizeof ( abftab.mac ) ); + + /* Update checksum */ + acpi_fix_checksum ( &abftab.acpi ); + + DBG ( "AoE boot firmware table:\n" ); + DBG_HD ( &abftab, sizeof ( abftab ) ); +} -- cgit v1.2.3-55-g7522